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2026-05-15 - 08:04
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Fri May 15, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
764213091,7sleep10-21swapper/119:08:031
887212665,7sleep00-21swapper/019:09:390
701212464,6sleep30-21swapper/319:07:213
8222120111,6sleep20-21swapper/219:08:482
182362660,0sleep30-21swapper/319:50:173
293602650,1sleep30-21swapper/323:50:173
80902630,0sleep30-21swapper/322:35:133
88582620,1sleep38863-21kthreadcore22:05:173
94442580,0sleep10-21swapper/121:35:201
1084993213,18cyclictest0-21swapper/123:25:121
108499314,26cyclictest0-21swapper/123:40:121
1084993115,15cyclictest0-21swapper/123:35:131
108899281,26cyclictest0-21swapper/200:14:242
108499284,17cyclictest0-21swapper/122:35:141
108499280,27cyclictest0-21swapper/123:58:501
108499280,27cyclictest0-21swapper/121:26:571
108499280,27cyclictest0-21swapper/119:56:451
108899271,25cyclictest0-21swapper/222:00:132
108899270,26cyclictest0-21swapper/220:26:312
108499270,26cyclictest0-21swapper/122:58:261
108499270,26cyclictest0-21swapper/122:16:381
108499270,26cyclictest0-21swapper/120:11:131
1088992623,2cyclictest0-21swapper/219:18:322
108899260,25cyclictest0-21swapper/222:36:262
108899260,25cyclictest0-21swapper/222:25:402
108499261,13cyclictest0-21swapper/121:55:101
108499260,25cyclictest0-21swapper/123:22:231
108499260,25cyclictest0-21swapper/122:26:071
108499260,25cyclictest0-21swapper/122:00:221
108499260,25cyclictest0-21swapper/120:19:361
108499260,25cyclictest0-21swapper/119:27:351
108499260,25cyclictest0-21swapper/119:22:351
1088992522,3cyclictest0-21swapper/221:13:572
1088992522,2cyclictest0-21swapper/219:24:142
1088992518,7cyclictest0-21swapper/221:38:152
108899251,23cyclictest0-21swapper/222:41:222
108499250,24cyclictest0-21swapper/120:36:241
1088992420,3cyclictest0-21swapper/220:32:002
108899241,22cyclictest0-21swapper/200:39:212
1084992422,2cyclictest0-21swapper/121:49:581
1084992421,3cyclictest0-21swapper/122:46:351
108499240,23cyclictest0-21swapper/119:30:231
108499240,18cyclictest0-21swapper/100:13:411
1088992319,2cyclictest23525-21latency_hist20:25:002
108899231,21cyclictest0-21swapper/220:02:482
108899230,22cyclictest0-21swapper/223:10:512
108899230,22cyclictest0-21swapper/220:15:272
108499230,22cyclictest0-21swapper/123:46:021
108499230,17cyclictest0-21swapper/100:32:551
1076992320,3cyclictest0-21swapper/022:01:080
108899221,20cyclictest0-21swapper/220:45:212
108899220,21cyclictest0-21swapper/223:42:392
108899220,21cyclictest0-21swapper/221:47:162
108899220,21cyclictest0-21swapper/221:40:242
108899220,21cyclictest0-21swapper/221:27:122
108899220,21cyclictest0-21swapper/220:53:062
108499228,13cyclictest0-21swapper/119:45:191
1084992220,2cyclictest0-21swapper/123:50:391
108499221,3cyclictest0-21swapper/121:15:461
108499220,3cyclictest0-21swapper/122:51:581
108499220,3cyclictest0-21swapper/120:21:001
108499220,21cyclictest0-21swapper/100:02:001
1088992118,2cyclictest749-21snmpd21:55:462
1088992117,2cyclictest5088-21sadc21:35:012
108899211,3cyclictest0-21swapper/222:15:402
108899211,19cyclictest0-21swapper/200:31:302
108899210,2cyclictest0-21swapper/222:50:072
108899210,20cyclictest0-21swapper/223:45:232
108899210,20cyclictest0-21swapper/221:52:132
108899210,20cyclictest0-21swapper/221:52:132
108899210,20cyclictest0-21swapper/221:21:152
108899210,20cyclictest0-21swapper/221:05:312
108899210,20cyclictest0-21swapper/220:05:422
108899210,20cyclictest0-21swapper/219:52:362
108899210,20cyclictest0-21swapper/219:46:322
108899210,20cyclictest0-21swapper/219:44:532
108899210,20cyclictest0-21swapper/200:07:542
1084992119,2cyclictest0-21swapper/121:53:051
1084992119,2cyclictest0-21swapper/121:53:041
1084992119,2cyclictest0-21swapper/119:19:351
1084992119,1cyclictest749-21snmpd21:31:101
1084992117,3cyclictest0-21swapper/122:13:581
1084992117,3cyclictest0-21swapper/100:08:151
1084992117,2cyclictest7495-21munin-run22:35:011
108499210,20cyclictest0-21swapper/121:21:481
108499210,20cyclictest0-21swapper/121:00:421
108499210,20cyclictest0-21swapper/120:52:431
108499210,20cyclictest0-21swapper/100:20:361
108499210,20cyclictest0-21swapper/100:15:571
1076992119,2cyclictest0-21swapper/023:06:050
1076992119,1cyclictest749-21snmpd00:28:240
107699211,16cyclictest0-21swapper/022:05:210
107699210,20cyclictest0-21swapper/019:39:450
1088992018,1cyclictest749-21snmpd23:39:542
1088992018,1cyclictest749-21snmpd23:05:252
1088992018,1cyclictest749-21snmpd21:15:242
1088992016,3cyclictest0-21swapper/219:34:202
108899200,19cyclictest0-21swapper/223:51:092
108899200,14cyclictest0-21swapper/220:42:582
1084992018,2cyclictest0-21swapper/123:08:371
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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